Question

42+42:2×3=?        84-24:3×2=?

Answer 1

42 + 42 : 2 × 3 

= 42 +  21 × 3

= 42 + 63

= 105

84 - 24 : 3 × 2

= 84 - 8 × 2

= 84 - 16

= 68

Answer 2

42 + 42 : 2 x 3 = 105 .

 84 - 24 : 3 x  2 = 78 .

Answer 3

42+42:2×3

= 42+21x3

= 42 + 63

=105

84-24:3x2

= 84-8x2

=84-16

=68

Answer 4

42 + 42 : 2 x 3 

= 42 + 21 x 3

= 42 + 63

= 105

84 - 24 : 3 x 2

= 84 - 8 x 2

= 84 - 16

= 68